Why combined chlorine (chloramines) — not free chlorine — is usually the culprit, and how to fix it.
This guide is part of our Troubleshooting Pool Problemspillar and is currently being written. Want to be notified when it's published? Drop us a line and we'll send it the day it goes live.
In the meantime, here's the pillar overview that covers the fundamentals:
A diagnostic walkthrough: chemistry, filtration, dead algae, or fine particulates. Identify in under 5 minutes.
SLAM method, chlorine math, and the filter-run schedule that actually clears a swamp pool.
Why normal chlorine levels don't faze it, the brush-and-shock protocol, and when to call a pro.
Mustard algae tolerates normal chlorine. Triple-shock, equipment scrub-down, and the re-infection trap.
Our CPO-certified techs run this exact playbook on every weekly service visit. Get a free quote.